Description: The fur
is long, silky and varies in color from Chocolate-brown to reddish- or
golden-brown. The ears and wing membranes are dark brown to nearly
black. The big brown bat is similar in appearance to the evening
bat, but is larger in size.

Wingspan:
13-14 inches

Body length:
2.1-3.2 inches

Weight:
0.4-0.8 ounces

Florida roosting preferences:
Colonial. Dead tree cavities provide the normal roosting habitat
for this bat, but one colony was found roosting in the base of a royal
palm leaf stem in south Florida. They also move into
buildings, bridges and bat houses.

Food preferences:
Insectivorous. They feed on beetles, planthoppers, true bugs, flies,
mosquitoes, flying termites, flying ants and a number of other insects.

Reproduction:
Females usually give birth to two pups in may or June.

Florida status: Uncommon in
north and central Florida. Rare in south Florida.